Remove unused variable: compressionFlag
Remove unused variable: compressionFlag

Unused since 1f7a56c869614f632d22e750857293de5153f7b2

Signed-off-by: Šimon Lukašík <864aa5f8ce9b2222e505367bafa459c4402e2c17@fedoraproject.org>

containers/storage,containers/storage,rhatdan/storage,containers/storage,rhatdan/storage,rhatdan/storage